20384082 has 32 divisors (see below), whose sum is σ = 45927360. Its totient is φ = 6700320.

The previous prime is 20384059. The next prime is 20384099. The reversal of 20384082 is 28048302.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357 + ... + 6527.

It is an arithmetic number, because the mean of its divisors is an integer number (1435230).

Almost surely, 2^20384082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20384082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22963680).

20384082 is an abundant number, since it is smaller than the sum of its proper divisors (25543278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20384082 is a wasteful number, since it uses less digits than its factorization.

20384082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255 (or 5249 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 20384082 is about 4514.8734201526. The cubic root of 20384082 is about 273.1683540735.

The spelling of 20384082 in words is "twenty million, three hundred eighty-four thousand, eighty-two".